Sauber C31 Studio Images: Esteban Gutierrez (MEX), Sauber Test & Reserve Driver. Sauber C31 Studio Images, Hinwil, Switzerland, 6 February 2012.
Esteban Gutierrez (MEX), Sauber Test & Reserve Driver.
Sauber C31 Studio Images, Hinwil, Switzerland, 6 February 2012.